CN115242769B - Remote field quality inspection system - Google Patents
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- CN115242769B CN115242769B CN202210842616.8A CN202210842616A CN115242769B CN 115242769 B CN115242769 B CN 115242769B CN 202210842616 A CN202210842616 A CN 202210842616A CN 115242769 B CN115242769 B CN 115242769B
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- 238000007689 inspection Methods 0.000 title claims abstract description 64
- 238000013507 mapping Methods 0.000 claims abstract description 46
- 238000004364 calculation method Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
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- 238000011156 evaluation Methods 0.000 claims description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a remote field quality inspection system. The system comprises a software client, a Web server and a video terminal; the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to acquire data; the mapping apparatus includes: total stations and GNSS receivers; the software client applies an Android system; the Web server is respectively connected with the software client and the video terminal; the video recording terminal is used for collecting and storing real-time videos of field mapping, and uploading the real-time videos to the Web server for storage; the Web server is used for carrying out quality inspection according to the data acquired by the mapping equipment and generating a quality inspection report according to the quality inspection result; the quality inspection includes: error calculation and accuracy statistics. The invention can effectively improve the inspection efficiency and effectively monitor the data acquisition and processing process.
Description
Technical Field
The invention relates to the field of surveying and mapping, in particular to a remote field quality inspection system.
Background
Under the background of multi-disciplinary cross research, the trend of instrument integration and observation means diversification is increasingly revealed, and the improvement of measurement means by using the current technology improves the efficiency and saves the production cost, so that the method becomes a research hotspot. Client-Server (CS) is a two-layer design structure where clients are responsible for interactive tasks and servers are responsible for data management. The CS structure has the advantages of strong interactivity, maturity, stability, high response speed and the like. The Android mobile phone operating system has a huge user group, and an application program interface (Application Program Interface, API) of the system can realize operations such as mobile navigation positioning, information sending and receiving, bluetooth serial communication, intelligent processing and identification. The total station, the GNSS receiver, the digital level and other mapping instruments provide Bluetooth ports, and program development based on Android Bluetooth serial ports is widely applied in the mapping field.
For homeland resource investigation acceptance projects, firstly, an inspection area is extracted, and then field data acquisition is carried out, so that accuracy analysis and error statistics are completed, and a quality inspection report is formed. The problems that the number of technicians is small, the time is short, the task is heavy, and effective supervision on field measurement and internal data processing cannot be performed are generally existed. Therefore, there is a need for a remote field quality inspection system that effectively solves the problems and deficiencies of inspection and acceptance works
Disclosure of Invention
The invention aims to provide a remote field quality inspection system which can effectively improve inspection efficiency and effectively monitor data acquisition and processing processes.
In order to achieve the above object, the present invention provides the following solutions:
a remote field quality inspection system, comprising: the system comprises a software client, a Web server and a video terminal;
the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to acquire data; the mapping apparatus includes: total stations and GNSS receivers; the software client applies an Android system;
the Web server is respectively connected with the software client and the video terminal;
the video recording terminal is used for collecting and storing real-time videos of field mapping, and uploading the real-time videos to the Web server for storage;
the Web server is used for carrying out quality inspection according to the data acquired by the mapping equipment and generating a quality inspection report according to the quality inspection result; the quality inspection includes: error calculation and accuracy statistics.
Optionally, the software client includes: bluetooth API, a mapping equipment module, a measurement map display module and a data acquisition module;
the Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching, bluetooth pairing sending measurement instructions and receiving data;
the mapping equipment module is used for setting mapping equipment and selecting the mapping equipment;
the measurement drawing display module is used for carrying out graphic display, ground object selection and dot line and plane characteristic information acquisition by utilizing the MicroDraw graphic control;
the data acquisition module is used for acquiring data according to the selected mapping equipment.
Optionally, the software client further includes: a user registration and login module;
the user registration and login module is used for registering and logging in user information.
Optionally, the Web server includes: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module;
the user management module is used for carrying out online auditing on the user information and managing the authority change, deletion and password resetting of the registered user;
the task management module is used for creating an inspection item and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement graph is used for downloading the software client;
the error calculation and statistics module is used for performing quality inspection according to the data acquired by the mapping equipment;
the monitoring image management module is used for receiving and storing the real-time video;
the report generation module is used for generating a quality inspection report according to the quality inspection result; and exporting the quality inspection report to a word document.
Optionally, the error calculation and statistics module uses a correction to determine the error in the point location of the boundary point and the ground feature point when counting the accuracy.
Optionally, the error calculation and statistics module utilizes a formulaDetermining a medium error;
where v is the difference between the arithmetic mean and the observed value, n is the number of points, and σ is the median error.
Optionally, the video recording terminal includes: a network interface and an OCX control for use with the B/S system.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the remote field quality inspection system provided by the invention, the Android system, the mapping equipment and the Web server are organically combined, so that the operation efficiency is greatly improved. The method comprises the steps of completing functions of checking task creation, checking drawing uploading, precision calculation, statistics and the like in a Web server, connecting a Bluetooth serial port provided by an Android system with a total station and a GNSS receiver, further realizing instrument control and port information monitoring by establishing a virtual serial port mode, obtaining measurement data, and then carrying out precision evaluation and checking report output in the Web server. Meanwhile, operators are monitored and positioned in real time in a voice and video mode. The method not only effectively improves the checking efficiency, but also effectively monitors the data acquisition and processing process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a remote field quality inspection system according to the present invention;
FIG. 2 is a schematic functional diagram of a remote field quality inspection system according to the present invention;
FIG. 3 is a schematic diagram of data acquisition;
FIG. 4 is a schematic diagram of a Bluetooth communication implementation;
FIG. 5 is a schematic illustration of a mapping apparatus setup;
FIG. 6 is a schematic diagram of GNSS parameter settings;
FIG. 7 is a schematic diagram of a data acquisition interface;
FIG. 8 is a schematic diagram of error calculation;
FIG. 9 is a diagram of accuracy statistics;
FIG. 10 is a schematic diagram of a picture taken by a video terminal;
fig. 11 is a schematic diagram of real-time video collected by a video recording terminal.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a remote field quality inspection system which can effectively improve inspection efficiency and effectively monitor data acquisition and processing processes.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 is a schematic structural diagram of a remote field quality inspection system according to the present invention, and as shown in fig. 1, the remote field quality inspection system according to the present invention includes: software client, web server and video terminal.
As shown in fig. 2, the remote field quality inspection system comprises two types of terminal operation and background management, including 7 specific contents of serial communication, field measurement, user management, task management, error calculation and statistics, monitoring image management, quality inspection report generation and printing.
The software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to acquire data; the mapping apparatus includes, but is not limited to: total stations and GNSS receivers; and the software client applies an Android system. And setting instrument parameters after successful connection. And then opening the checking drawing, selecting points, lines and plane elements to be checked when the drawing is in an editing state, further sending a measuring instruction, monitoring a Bluetooth communication port of the instrument in real time, analyzing the characteristic values transmitted by the measuring equipment, and calculating the three-dimensional coordinates.
The Web server is respectively connected with the software client and the video terminal.
The video recording terminal is used for collecting and storing real-time videos of field mapping, and uploading the real-time videos to the Web server for storage.
And the video recording terminal sends the monitoring video through a 4G network. The condition of network signal missing or unstable connection exists in rural areas and remote areas, and the terminal can be used for video recording or photographing of key measurement steps and field conditions and uploading the key measurement steps and the field conditions to the Web server.
The Web server is used for carrying out quality inspection according to the data acquired by the mapping equipment and generating a quality inspection report according to the quality inspection result; the quality inspection includes: error calculation and accuracy statistics.
The Android studio development platform and the Ali cloud server based on the Android studio development platform realize the functions of project management, bluetooth connection of mapping equipment and a mobile phone, point location coordinate acquisition, real-time transmission of results, automatic error calculation, precision statistics and the like, and the system is simple in operation, can avoid data change and ensures the authenticity of results.
The software client comprises: bluetoothAPI, mapping device module, measurement map display module, and data acquisition module.
The Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching, bluetooth pairing sending measurement instructions and receiving data.
As shown in fig. 4, bluetooth rights are first configured to implement bluetooth control, then Bluetooth Connection classes are created for bluetooth on, bluetooth off, device searching, device connection, bluetooth Device ListAdapter classes are created for displaying searched bluetooth names and bluetooth addresses. Creating a simple bluetooth adapter using the bluetooth adapter.get DefaultAdapter () function in Bluetooth Connection; defining registerBroadcast Receiver () function for registering broadcasting; scanning DEVICEs using a bluetooth device.e xtra_device () function and displaying the searched paired bluetooth DEVICEs in a list of listviews defined in class Bluetooth Device List Adapter; creating a Socket by using a device.createRfcomSocketToServiceRecord (UUID) method; and (3) calling a Bluetooth socket function to realize Bluetooth connection, and creating an input and output stream to transmit and receive data after the connection is successful.
The mapping device module is used for setting mapping devices and selecting mapping devices. Clicking a main interface setting button, entering a device setting interface, selecting a mapping device type and a device model, and calculating a three-dimensional coordinate by adopting a polar coordinate method because total station measurement data comprise information such as distance, angle and the like and parameters such as instrument height, rod height, station measurement coordinates, directional coordinates and the like are required to be input. Setting parameters such as a central meridian, a coordinate system, four-parameter (seven-parameter) coordinate conversion and the like are required to be set for connecting the GNSS receiver, and conversion of longitude, latitude and geodetic altitude Gaussian plane coordinate systems is realized by utilizing the conversion parameters. The mapping device settings and GNSS parameter settings are shown in fig. 5 and 6.
And the measurement drawing display module is used for carrying out graphic display, ground feature selection and dot line and plane characteristic information acquisition by utilizing the MicroDraw graphic control.
Coordinate display and graphic processing is typically processed using southern Cass drafting software and stored in DWG or DXF formats. The autonomous design of graphic display tools consumes a lot of manpower and material resources during APP development, and stability and compatibility effects are poor. The MicroDraw graphical control is a specialized graphical component (middleware) compatible with a variety of CAD/GIS file formats and provides 400 methods and properties for the developer to invoke. And downloading an operation library of the MicroDraw graphic control, putting an SO library file into a libs folder of an Android project, and loading the SO library file into a build. Gradle file, SO that operations such as graphic display, ground feature selection, point line and surface characteristic information acquisition and the like can be realized.
The data acquisition module is used for acquiring data according to the selected mapping equipment. The data acquisition flow of the data acquisition module is shown in fig. 3.
After the client software establishes communication with the measurement device, the transmitted request can be identified only according to the format of the measurement instruction accepted by the device, and usually, the devices such as the total station or the GNSS receiver can identify the character string transmitted according to bytes or the ASCII code of 16 system, and the data is read and displayed according to bytes when being received. To obtain high-precision coordinates, conversion parameters need to be set at the instrument setup interface for coordinate conversion. When the total station is used, a measuring station and orientation information are required to be set; when the GNSS receiver is used, the related information such as ellipsoids, projections, central meridians, projection parameters and the like is set. And then sending a measurement instruction, monitoring the Bluetooth communication port to acquire data, analyzing callback data of the measurement equipment, recording and uploading the calculated three-dimensional coordinates and the extracted coordinates of the selected points, lines or planes to a server platform, and carrying out error calculation, precision statistics and the like.
The method comprises the steps of opening a topographic map to be checked by utilizing a MicroDraw graphic control, clicking a 'selection' tool, selecting a line segment to be measured, extracting coordinates of two endpoints of the line segment by a system, clicking a 'total station' icon at the right upper corner of a measurement interface, transmitting an instruction to measurement equipment through a Bluetooth serial port, identifying and responding the instruction by an instrument, monitoring the Bluetooth communication port in real time by the system, analyzing callback data of the measurement equipment, calculating three-dimensional coordinates, displaying the three-dimensional coordinates, clicking a 'record' button to save data, selecting an edge type and 'determining' after the measurement of the two endpoints is completed, connecting client software with a Web server before the data storage, clicking and saving the original coordinates and the check coordinates together and uploading the original coordinates to an Arian cloud database. And correspondingly checking the item list. The data acquisition interface is shown in fig. 7.
The software client further comprises: and a user registration and login module.
The user registration and login module is used for registering and logging in user information.
The Web server includes: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module.
The user management module is used for carrying out online auditing on the user information and managing the authority change, deletion and password resetting of the registered user;
the task management module is used for creating an inspection item and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement graph is used for downloading the software client;
the error calculation and statistics module is used for performing quality inspection according to the data acquired by the mapping equipment; the coordinate values of the measurement elements in the drawing are automatically extracted, the difference value between the measured values and the extracted values is obtained, the checking result is uploaded to a server in real time by utilizing a network, the server analyzes the transmitted request, the data are stored in a corresponding website function list, and the measurement errors and the number of the measurement elements are counted.
The monitoring image management module is used for receiving and storing the real-time video;
the report generation module is used for generating a quality inspection report according to the quality inspection result; and exporting the quality inspection report to a word document.
The error calculation and statistics module determines the middle error of the point location of the boundary point and the feature point by adopting a correction number when the accuracy statistics is performed, and is shown in fig. 8 and 9. The limit difference is determined by adopting a medium error of 2-3 times according to project requirements. The criterion for judging the pass is that the ratio exceeding the limit difference is not more than 5% of the number of points. In order to ensure the normalization of the quality inspection report, the quality inspection report is exported to a word document according to the set template, so that the method is convenient and quick.
The error calculation and statistics module uses a formulaDetermining a medium error;
where v is the difference between the arithmetic mean and the observed value, n is the number of points, and σ is the median error.
The video terminal includes: a network interface and an OCX control for use with the B/S system. The streaming media player is integrated in the OCX control. Various interfaces are provided for providing video stream access and equipment control services for the application platform. The system mainly comprises equipment management, equipment control, live, video inquiry, video playback and downloading and video playback control interfaces. The function of the streaming media player integrated in the OCX control supports playing the PS encapsulated H264 code stream transmitted by RTP, and is a standard unencrypted code stream. And simultaneously supports the function of multipath playing. The picture and video save is shown in fig. 10 and 11.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (3)
1. A remote field quality inspection system, comprising: the system comprises a software client, a Web server and a video terminal;
the software client communicates with the mapping equipment through a Bluetooth serial port and controls the mapping equipment to acquire data; the mapping apparatus includes: total stations and GNSS receivers; the software client applies an Android system; the Bluetooth serial port provided by the Android system is connected with a total station and a GNSS receiver, so that instrument control and port information monitoring are realized by establishing a virtual serial port mode, measurement data are obtained, and then accuracy evaluation and inspection report output are carried out on a Web server;
the Web server is respectively connected with the software client and the video terminal;
the video recording terminal is used for collecting and storing real-time videos of field mapping, uploading the real-time videos to the Web server for storage, and carrying out real-time monitoring and positioning on operators in a voice and video mode;
the Web server is used for carrying out quality inspection according to the data acquired by the mapping equipment and generating a quality inspection report according to the quality inspection result; the quality inspection includes: calculating errors and counting accuracy;
the software client comprises: bluetooth API, mapping equipment module, measurement map display module and data acquisition module;
the Bluetooth API is used for completing Bluetooth opening, bluetooth closing, bluetooth searching and Bluetooth pairing to send a measurement instruction and receive data;
the mapping equipment module is used for setting mapping equipment and selecting the mapping equipment;
the measurement drawing display module is used for carrying out graphic display, ground object selection and dot line and plane characteristic information acquisition by utilizing the MicroDraw graphic control;
the data acquisition module is used for acquiring data according to the selected mapping equipment;
the Web server includes: the system comprises a user management module, a task management module, an error calculation and statistics module, a monitoring image management module and a report generation module;
the user management module is used for carrying out online auditing on the user information and managing the authority change, deletion and password resetting of the registered user;
the task management module is used for creating an inspection item and uploading a measurement drawing according to the inspection precision and the number of inspection elements; the measurement graph is used for downloading the software client;
the error calculation and statistics module is used for performing quality inspection according to the data acquired by the mapping equipment;
the monitoring image management module is used for receiving and storing the real-time video;
the report generation module is used for generating a quality inspection report according to the quality inspection result; exporting a quality inspection report to a word document;
the error calculation and statistics module is used for determining the middle error of the point location of the boundary point and the ground feature point by adopting a correction when the accuracy statistics is performed;
the error calculation and statistics module uses a formulaDetermining a medium error;
wherein v is the difference between the arithmetic mean and the observed value, n is the number of points, and sigma is the medium error;
the total station measurement data comprise distance and angle, the total station inputs instrument height, rod height, station measurement coordinates and orientation coordinates, and a polar coordinate method is adopted to calculate three-dimensional coordinates;
setting conversion parameters by connecting a GNSS receiver; the conversion parameters are utilized to realize the conversion of longitude, latitude and geodetic altitude Gaussian plane coordinate systems; the transformation parameters include a central meridian, a coordinate system, a four-parameter or seven-parameter coordinate transformation.
2. The remote field quality inspection system of claim 1, wherein the software client further comprises: a user registration and login module;
the user registration and login module is used for registering and logging in user information.
3. The remote field quality inspection system according to claim 1, wherein the video terminal comprises: a network interface and an OCX control for use with the B/S system.
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